1404345353 has 4 divisors (see below), whose sum is σ = 1449646848. Its totient is φ = 1359043860.

The previous prime is 1404345307. The next prime is 1404345377. The reversal of 1404345353 is 3535434041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3535434041 = 16763 ⋅210907.

It is a cyclic number.

It is not a de Polignac number, because 1404345353 - 2¹⁶ = 1404279817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1404345053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22650701 + ... + 22650762.

It is an arithmetic number, because the mean of its divisors is an integer number (362411712).

Almost surely, 2^1404345353 is an apocalyptic number.

It is an amenable number.

1404345353 is a deficient number, since it is larger than the sum of its proper divisors (45301495).

1404345353 is an equidigital number, since it uses as much as digits as its factorization.

1404345353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45301494.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 1404345353 is about 37474.5961018928. The cubic root of 1404345353 is about 1119.8451510515.

Adding to 1404345353 its reverse (3535434041), we get a palindrome (4939779394).

The spelling of 1404345353 in words is "one billion, four hundred four million, three hundred forty-five thousand, three hundred fifty-three".